Allow bare flakerefs as installables

So now

  $ nix build blender-bin

works and builds the default package from that flake. You don't need
to add a colon at the end anymore.

1 files changed, 4 insertions, 0 deletions

diff --git a/src/nix/installables.cc b/src/nix/installables.cc
index fe89a6bb4..40248eb5d 100644
--- a/src/nix/installables.cc
+++ b/src/nix/installables.cc
@@ -332,6 +332,10 @@ std::vector<std::shared_ptr<Installable>> SourceExprCommand::parseInstallables(
                             getDefaultFlakeAttrPaths()));
             }
 
+            else if (auto flakeRef = parseFlakeRef(s, true))
+                result.push_back(std::make_shared<InstallableFlake>(*this, s,
+                        getDefaultFlakeAttrPaths()));
+
             else
                 result.push_back(std::make_shared<InstallableFlake>(*this, FlakeRef("nixpkgs"), s));
         }